Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Thomas Williams IV, M.D.
Surgery Physician in Macon, GA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437184306
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Registry record
Entity type Individual (Type 1)
Name Dr. John Thomas Williams IV
Credential M.D.
Sex Male
Practice address 380 Hospital Dr Ste 320, Macon, GA, 31217
Phone (478) 750-8606
Enumeration date Jul 11, 2006
Last updated in NPPES Oct 20, 2023
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00793526A | Medicaid | GA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for John Williams?
The National Provider Identifier (NPI) for John Williams is 1437184306, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Williams practice?
The practice location on file with NPPES is in Macon, GA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → James Lewis Urology Physician · Macon, GA NPI 1063480267 Earl Mullis Surgery Physician · Macon, GA NPI 1215962170 Osama Atallah Colon & Rectal Surgery Physician · Macon, GA NPI 1629101019 Joseph Bear Urology Physician · Macon, GA NPI 1538304217 Ae Mary Irwin Nurse Practitioner · Macon, GA NPI 1306498605 Brice Blum Surgery Physician · Macon, GA NPI 1174150635
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-20.